Whitman Expo
Nearly 100 Collectible Bitcoins to Cross the Auction Block on Saturday, September 5.
Thank you to our sponsors!
Go check them out!
Obverse Description
Ajami Hausa and English text; General Murtala Ramat Muhammed
Reverse Description
English text; coat of arms
Catalog Information
GSID:
125213
Variety:
Sig 12b: Ahmed/Sadiq Prefix X/76 - Z/54
BNB #:
B224d2
Pick #:
P26
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 12b: Ahmed/Sadiq Prefix X/76 - Z/54
Body: Referring page: http://beta.greysheet.com/prices/item/sig-12b-ahmed-sadiq-prefix-x-76-z-54/gsid/125213 GSID: 125213 Title: Sig 12b: Ahmed/Sadiq Prefix X/76 - Z/54
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Bank Note Value History
Sig 12b: Ahmed/Sadiq Prefix X/76 - Z/54
Currency
Grade Range
Sort by
Pricing
Values
Banknote Book (CPG) Values
15TH SEPTEMBER, 1958 Sig 1 Prefix A/2 - Z/1 Intro: 01 07 1959
Worth: $5 – $85
Diagonal red SAMFUR ovpt front; all-zero s/n Uniface
Diagonal red SAMFUR ovpt back Uniface
Diagonal red SPECIMEN ovpt front; all-zero s/n
Diagonal purple SPECIMEN handstamp front; horizontal SPECIMEN perf; no s/n
Horizontal SPECIMEN perf; s/n range
Horizontal SPECIMEN perf; normal s/n
Brown; horizontal red SPECIMEN ovpt front/back; horizontal red SPECIMEN OF NO VALUE ovpt upper left front/back; all-zero s/n
Worth: $225 – $225
15TH SEPTEMBER, 1958 Sig 1 Prefix A/2 - Y/1 Intro: 01 07 1959
Worth: $15 – $250
Diagonal red SAMFUR ovpt front; all-zero s/n Uniface
Diagonal red SAMFUR ovpt back Uniface
Diagonal red SPECIMEN ovpt front; all-zero s/n
Diagonal red SPECIMEN ovpt; normal s/n
Horizontal SPECIMEN perf; no s/n
Diagonal purple SPECIMEN handstamp front; horizontal SPECIMEN perf; no s/n
Greysheet News
Physical Bitcoin Takes Center Stage This Labor Day Weekend at Stack's Bowers Galleries
8/31/2026
Whitman Publications Win Three 2026 NLG Awards
Whitman Brands walked away with a trio of honors during the annual Numismatic Literary Guild awards, held during the American Numismatic Association World's Fair of Money in Pittsburgh.
8/31/2026
![Red Book Podcast: Numismatic Education for Today's Generation [Video]](https://images.greysheet.com/l/blogs/20260828/b4d9283d-3087-4fbc-b0f4-677f1a9fe462.jpg)
Red Book Podcast: Numismatic Education for Today's Generation [Video]
Red Book Podcast Featuring Jeff Garrett and Christian Strayhorn.
8/28/2026
Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
